h) (7²-3²):2² +7²-12013 +02009 = i) 10²-[4+5.3²-25 +4³ (49-3²):2³]= j) [(3²)5:37-30-3²] 4:34 +2²= k) 10² - (17.5-21-4) 13 = 1) 23+ (15:5+4³:8). 7 =
clasa a 5a
